Overlay an image on top of another, works with 24-bit PNG alpha-transparency
public overlay ( string | |
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$overlay | string | |
An image filename or a Image object |
$position | string | center|top|left|bottom|right|top left|top right|bottom left|bottom right |
$opacity | float | integer | Overlay opacity 0-1 or 0-100 |
$globOffsetX | integer | Horizontal offset in pixels |
$globOffsetY | integer | Vertical offset in pixels |